Ear plug having piston-like exterior



FIG. 1 is a perspective view of a first embodiment of the invention.

FIG. 2 is another perspective view of the embodiment shown in FIG. 1.

FIG. 3 is a front view of the embodiment shown in FIG. 1.

FIG. 4 is a back view of the embodiment shown in FIG. 1.

FIG. 5 is a left view of the embodiment shown in FIG. 1.

FIG. 6 is a right view of the embodiment shown in FIG. 1.

FIG. 7 is a top view of the embodiment shown in FIG. 1.

FIG. 8 is a bottom view of the embodiment shown in FIG. 1.

FIG. 9 is a perspective view of a second embodiment of the invention.

FIG. 10 is another perspective view of the embodiment shown in FIG. 9.

FIG. 11 is a front view of the embodiment shown in FIG. 9.

FIG. 12 is a back view of the embodiment shown in FIG. 9.

FIG. 13 is a left view of the embodiment shown in FIG. 9.

FIG. 14 is a right view of the embodiment shown in FIG. 9.

FIG. 15 is a top view of the embodiment shown in FIG. 9; and,

FIG. 16 is a bottom view of the embodiment shown in FIG. 9.

The broken lines are directed to subject matter excluded from the claim. 

CLAIM The ornamental design for an ear plug having piston-like exterior, substantially as shown and described. 